In 2000, he became a quality control coach for the offensive component of the Cardinals, before becoming an assistant offensive lineman coach. During the 2004-2005 seasons, Devlin served as offensive line coach for the Toledo Rockets. In 2006, Devlin became the tight ends coach for the New York Jets. He was promoted to offensive line coach on February 5, 2013.[1]

Devlin left the Jets to accept the same position with the Houston Texans on January 9, 2015.[2]